Internal Medicine Doctors in Illinois
Data updated monthly · Last refresh October 2026
7,189 Internal Medicine providers practice in Illinois, including 1,260 (18%) offering telehealth. The largest concentration is in Chicago. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
7,189providers
1,260telehealth
Chicagotop city
Internal Medicine by city in Illinois
Choose a city to see providers there.
Internal Medicine providers in Illinois
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Gerald Maida, MDBloomingdale, IL · No drug or device payments recorded (2025) ·
(630) 893-2210 Dr. Leslie Mattson, M.D.Bloomingdale, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 510-2609 Dr. Linda Tayeh, MDBloomingdale, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 924-4009 Dr. Mahrukh Subhani, M.D.Bloomingdale, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 858-3200 Dr. Mandeep Kohli, D.OBloomingdale, IL · $23 in drug and device payments (2025) · Telehealth ·
(630) 893-0347 Dr. Nazneen Ahmed, MDBloomingdale, IL · $110 in drug and device payments (2025) · Telehealth ·
(630) 924-4009 Dr. Robert Hurst, MDBloomingdale, IL · No drug or device payments recorded (2025) ·
(630) 858-3200 Dr. Ronald Slonek, MDBloomingdale, IL · No drug or device payments recorded (2025) ·
(630) 858-3200 Dr. Sanjay Patel, M.D.Bloomingdale, IL · $310 in drug and device payments (2025) ·
(630) 894-8018 Dr. Shazia Khan, MDBloomingdale, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 924-4009 Dr. Sonal Patel, DOBloomingdale, IL · $21 in drug and device payments (2025) · Telehealth ·
(630) 858-3200 Dr. Sunil Matiwala, M.D.Bloomingdale, IL · No drug or device payments recorded (2025) ·
(630) 893-0347 Dr. Sunnan Moinuddin, MDBloomingdale, IL · $30 in drug and device payments (2025) · Telehealth ·
(630) 931-2929 Dr. Vanja Cuk, MDBloomingdale, IL · $51 in drug and device payments (2025) · Telehealth ·
(630) 980-8600 Dr. Wahaj Ahmed, M.D.Bloomingdale, IL · $60 in drug and device payments (2025) · Telehealth ·
(630) 931-2929 Dr. Ahmed Ali, MBBCH (MD)Bloomington, IL · $26 in drug and device payments (2025) ·
(309) 664-3120 Dr. Andre Francois, M.D.Bloomington, IL · $296 in drug and device payments (2025) ·
(309) 663-8311 Dr. Azfar Niazi, MDBloomington, IL · $115 in drug and device payments (2025) ·
(309) 662-3311 Dr. Bilal Nadeem, MDBloomington, IL · No drug or device payments recorded (2025) ·
(309) 662-3311 Dr. Charles Dennis, M.D.Bloomington, IL · No drug or device payments recorded (2025) ·
(309) 664-3400 Dr. Christopher Russell, M.D.Bloomington, IL · $1,446 in drug and device payments (2025) · Telehealth ·
(309) 663-8311 Dr. Danielle Kim, D.O.Bloomington, IL · $1,215 in drug and device payments (2025) · Telehealth ·
(309) 663-8311 Dr. Eric Duncan, MDBloomington, IL · No drug or device payments recorded (2025) ·
(309) 664-3400 Dr. Eric Farinas, M.D.Bloomington, IL · $2,141 in drug and device payments (2025) ·
(309) 663-8311 Dr. Ibinabo Dede, MDBloomington, IL · No drug or device payments recorded (2025) ·
(309) 662-3311 Dr. Ira Halperin, D.O.Bloomington, IL · $2,676 in drug and device payments (2025) ·
(309) 664-3120 Dr. James Hancock, M.D.Bloomington, IL · $1,568 in drug and device payments (2025) ·
(309) 663-8311 Dr. James Swanson, M.D.Bloomington, IL · No drug or device payments recorded (2025) ·
(309) 663-8311 Dr. Jeffrey Hoschek, M.D.Bloomington, IL · $590 in drug and device payments (2025) ·
(309) 663-8311 Dr. Jerry AntoniniBloomington, IL · No drug or device payments recorded (2025) ·
(309) 661-2368 Dr. John Poag, M.D.Bloomington, IL · No drug or device payments recorded (2025) ·
(309) 663-8311 Dr. Katherine Fitzgerald, M.D.Bloomington, IL · $1,189 in drug and device payments (2025) ·
(309) 663-8311 Dr. Kathryn MulcaheyBloomington, IL · No drug or device payments recorded (2025) ·
(309) 827-4090 Dr. Kathryn WilsonBloomington, IL · $17 in drug and device payments (2025) ·
(309) 661-2368 Dr. Kenneth InoueBloomington, IL · No drug or device payments recorded (2025) ·
(309) 661-2368 Dr. Khushboo Shah, MDBloomington, IL · No drug or device payments recorded (2025) ·
(872) 248-9618 Dr. Komal Rai, MDBloomington, IL · No drug or device payments recorded (2025) ·
(309) 664-3170 Dr. Lawrence Kneezel, M.D.Bloomington, IL · No drug or device payments recorded (2025) ·
(309) 664-3400 Dr. Lilla Berck, M.D.Bloomington, IL · $429 in drug and device payments (2025) ·
(309) 663-3111 Dr. Lori Pegram, MDBloomington, IL · No drug or device payments recorded (2025) ·
(309) 664-3100 Dr. Lucas Pogue, M.D.Bloomington, IL · $26 in drug and device payments (2025) ·
(309) 663-8311 Dr. Mark Stivers, M.D.Bloomington, IL · No drug or device payments recorded (2025) ·
(309) 827-4090 Dr. Michael Cochran, M.D.Bloomington, IL · $14 in drug and device payments (2025) ·
(309) 663-8311 Dr. Mohamad Shamma, MDBloomington, IL · No drug or device payments recorded (2025) ·
(309) 661-2368 Dr. Nasiruddin Khokhar, MDBloomington, IL · No drug or device payments recorded (2025) ·
(309) 434-3151 Dr. Paul PedersenBloomington, IL · $47 in drug and device payments (2025) · Telehealth ·
(309) 664-3120 Dr. Peter Abadeer, D.O.Bloomington, IL · $3,065 in drug and device payments (2025) · Telehealth ·
(309) 663-8311 Dr. Renuka Rajagopal, M.DBloomington, IL · $2,060 in drug and device payments (2025) ·
(309) 661-2368 Dr. Scott Mclain, MDBloomington, IL · No drug or device payments recorded (2025) ·
(309) 662-5361 Dr. Stephen Kindred, M.D.Bloomington, IL · $3,540 in drug and device payments (2025) ·
(309) 663-8311 Conditions Internal Medicine providers in Illinois commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Illinois?There are 7,189 Internal Medicine providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Illinois offer telehealth?Yes. 1,260 of the 7,189 Internal Medicine providers in Illinois (about 18%) report offering telehealth services in CMS data.
Which cities in Illinois have the most Internal Medicine providers?Chicago (2,841), Maywood (252), Springfield (196) have the highest concentration of Internal Medicine providers in Illinois.
How many Internal Medicine providers in Illinois received drug or device company payments?2,137 of 7,189 Internal Medicine providers in Illinois (30%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Illinois treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Internal Medicine Doctors in Illinois work in independent practices or large health systems?Among 3,097 Internal Medicine Doctors in Illinois enrolled in Medicare, 22% bill through a solo or small practice with fewer than 10 clinicians, 10% through a mid-size group of 10 to 99, and 68% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Illinois work at?According to CMS facility affiliation records, the Illinois hospitals where the most Internal Medicine Doctors hold privileges are Northwestern Medicine Central Dupage Hospital in Winfield; Northshore University Healthsystem - Evanston Hospital in Evanston; Northwestern Memorial Hospital in Chicago.
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